Arthropods are an incredibly successful group of animals. This is thought to be primarily due to the diversity in feeding appendages found in groups of arthropods. How did the diversity in feeding appendages arise? modification of walking appendages into feeding appendages in anterior-most segments modification of patterns of metamorphosis to allow development of feeding appendages modification of portions of the exoskeleton to make room for feeding appendages modification of feeding appendages into walking appendages in body segments behind the head

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.